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Date:      Tue, 24 Jan 2023 22:10:53 GMT
From:      Warner Losh <imp@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: 2ec7d6fd4217 - stable/13 - kboot: Enhance kboot_getdev to cope with NULLs
Message-ID:  <202301242210.30OMAri5083158@gitrepo.freebsd.org>

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The branch stable/13 has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=2ec7d6fd42170fca215dbe291830606648f00ae5

commit 2ec7d6fd42170fca215dbe291830606648f00ae5
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2022-07-15 13:32:16 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2023-01-24 21:49:23 +0000

    kboot: Enhance kboot_getdev to cope with NULLs
    
    Fallback to currdev when NULL is passed in when 'rootdev' is NULL. Other
    getdevs do this. Additional features are needed here still, though.
    
    Sponsored by:           Netflix
    
    (cherry picked from commit bf35f00522676d6e456b19168908cfa890ae0782)
---
 stand/kboot/main.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/stand/kboot/main.c b/stand/kboot/main.c
index 90b31a611476..3fab25132f15 100644
--- a/stand/kboot/main.c
+++ b/stand/kboot/main.c
@@ -212,11 +212,17 @@ kboot_get_kernel_machine_bits(void)
 int
 kboot_getdev(void **vdev, const char *devspec, const char **path)
 {
-	int i;
+	int i, rv;
 	const char *devpath, *filepath;
 	struct devsw *dv;
 	struct devdesc *desc;
 
+	if (devspec == NULL) {
+		rv = kboot_getdev(vdev, getenv("currdev"), NULL);
+		if (rv == 0 && path != NULL)
+			*path = devspec;
+		return (rv);
+	}
 	if (strchr(devspec, ':') != NULL) {
 		devpath = devspec;
 		filepath = strchr(devspec, ':') + 1;



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